Summary: Add-ons are products offered at a member-exclusive discount that you can add to process and ship with your next subscription box.
To purchase an add-on, log into your member account, click "subscriptions", and then click on "view your next order.” Scroll down and you will see a section where you can add products to your next box.
Your add-on will be charged alongside your next subscription box.
Keywords: Add-on, member-exclusive, member account